Updated CEP3 merge hak

Updated CEP3 merge hak.  Added tools for future CEP2 merge.

CEP2/2.69/_tools/hakbuilder.json

@@ -0,0 +1,10 @@
+{
+  "OutputPath": "../output/",
+  "HakList": [
+    {
+      "Name":  "prc4_cep3_merge",
+      "Path": "../_hak/prc4_cep3_merge/",
+      "CompileModels": false
+    },	
+   ]
+}